// set function parseTime,formatTime to filter
export {parseTime, formatTime, formatGmt} from '@/utils'

function pluralize(time, label) {
	if (time === 1) {
		return time + label
	}
	return time + label + 's'
}

export function timeAgo(time) {
	const between = Date.now() / 1000 - Number(time)
	if (between < 3600) {
		return pluralize(~~(between / 60), ' minute')
	} else if (between < 86400) {
		return pluralize(~~(between / 3600), ' hour')
	} else {
		return pluralize(~~(between / 86400), ' day')
	}
}

/* 数字 格式化*/
export function numberFormatter(num, digits) {
	const si = [
		{value: 1E18, symbol: 'E'},
		{value: 1E15, symbol: 'P'},
		{value: 1E12, symbol: 'T'},
		{value: 1E9, symbol: 'G'},
		{value: 1E6, symbol: 'M'},
		{value: 1E3, symbol: 'k'}
	]
	for (let i = 0; i < si.length; i++) {
		if (num >= si[i].value) {
			return (num / si[i].value + 0.1).toFixed(digits).replace(/\.0+$|(\.[0-9]*[1-9])0+$/, '$1') + si[i].symbol
		}
	}
	return num.toString()
}

export function toThousandFilter(num) {
	return (+num || 0).toString().replace(/^-?\d+/g, m => m.replace(/(?=(?!\b)(\d{3})+$)/g, ','))
}

export function formatDate(time) {
	if (time != null && time !== '') {
		var date = new Date(time)
		var year = date.getFullYear()
		var month = date.getMonth() + 1
		var day = date.getDate()
		return year + '-' + month + '-' + day
	} else {
		return ''
	}
}

export function formatDateAndTime(time) {
	if (time != null || time !== '') {
		var date = new Date(time)
		var year = date.getFullYear()
		var month = date.getMonth() + 1
		var day = date.getDate()
		var hour = date.getHours()
		var minute = date.getMinutes()
		var second = date.getSeconds()
		return year + '-' + month + '-' + day + '\n' + hour + ':' + minute + ':' + second
	} else {
		return ''
	}
}
